pulse glass
noun
A partially evacuated glass tube with a bulb at one or both ends and containing a small amount of water or alcohol, which when grasped by the hand exhibits a momentary agitation which is repeated at each beat of the holder's pulse as the heat of the hand vaporizes the liquid.
Origin
Late 18th century.
- polyethnicity
- polyethylene
- polyethylene glycol
- polyethylene oxide
- polyethylene terephthalate
- polyethylenic
- Polyfilla
- polyfoam
- polyfoil
- polyformal
- polyformaldehyde
- Polyfoto
- polyfunctional
- polyfunctionality
- polygala
- polygalaceous
- polygalacturonase
- polygalic acid
- polygalin
- Polygamia
- polygamic
- polygamise
- polygamist
- polygamistic
- polygamize